Re: [RFC] Submodules in GIT

> I think that is fine as long as we somehow enforce the topology
> of submodule to be similar to the toplevel topology.  Otherwise
> I suspect it leads to unintuitive behaviour.
> 
> Suppose that the ancestry chain for the toplevel are A, A~1, A~2
> and you asked for "A~2..A".  A submodule is bound at tree "sub/"
> and suppose A:sub/ == B, A~1:sub/ == C, and A~2:sub/ == D.
> 
> Now further suppose the ancestry chain for B, C and D are like
> this:
> 
>               o---C
>              /     \
>      ...o---o---D---B
> 
> A naive implementation of "--objects A~2..A" would propagate
> UNINTERESTING to D and mark B and C unmarked.  Would it however
> be reasonable to include commits marked as 'o'?